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Solutions to Problems . 367 0 H HO H H 62. (a) H I CH₃ CH₃ CT 0 H CH₃ HO H (Alkylation on oxygen) 0 iii i CH₃ CH₃ CH₃ CH₃ (Dialkylation) ii O (b) : OCH₃ OCH₃ The presence of a leaving group adjacent to the enolate diverts the reaction to elimination. 63. (a) Deprotonate "allylic" to give a conjugate enolatelike anion (see Section 18-11): H CH₃ H Benzene O CH₃ CH₃ RCH₂ Br : 0 CH₃ RCH₂ H Benzene